Dyrrhachium, Illyria, AR drachm, Magistrates Er- and Agionos.

ER above cow standing right, suckling calf. No symbols.
DYR AGIWNOS around double stellate pattern within double linear square with straight sides. 

Maier 95; SNG Tübingen 1353 (this coin).

Image courtesy of the Tübingen collection.